JPH0573598B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a document table used for placing a manuscript in the input work of a word processor or computer, and in particular, to a cursor that indicates the line being inputted in the manuscript. , relates to a document table powered by a motor or the like.

[Conventional technology]

Conventionally, when power-driving the cursor on the document table, the cursor is not only raised or lowered by simply operating a switch, but also has a single-line advance mechanism that moves the cursor by one line with a single switch operation. It has been known.

This one-line feed mechanism uses a timer to operate the motor for a preset time, or uses a pulse motor or a motor with a pulse generator to operate the motor for a preset number of pulses. (For example, Utility Model Application No. 56-140449, Utility Model Application No. 140449,
56-125348).

[Problem that the invention seeks to solve]

To use this one line feed mechanism, it is necessary to set the feed amount for one line. In the mechanism using the timer mentioned above, this setting must be done by trial and error, and when setting by the number of pulses mentioned above, if the line spacing is known, it can be easily set using that value. However, if the line spacing is unknown, trial and error is still required. Furthermore, when setting by trial and error, if the setting values are not accurate, errors will accumulate as you repeat one line advance, and the cursor instructions will become unclear, so the settings must be made precisely, which requires a lot of work. , it takes time.

The present invention has been devised for the purpose of enabling the above setting to be performed accurately and easily even when the line spacing is unknown.

[Means for solving problems]

In setting the feed amount for one line, the document table of the present invention uses one section of the document instead of one line, calculates the interval between the top line and the bottom line of this section, and calculates the total number of lines in this section. The feed amount per line is calculated by inputting the number of lines and dividing this interval by the number of lines.

In other words, the present invention includes a base plate on which a document is placed, a cursor that indicates one line of the document on the base plate, a motor that is operated by an up/down switch to raise and lower the cursor, and a motor that detects the amount of movement of the cursor. Move the cursor to the top line of a passage in the manuscript and operate the setting switch 1, and then move the cursor to the bottom line of the passage in the manuscript and operate the other setting switches. an interval detector for obtaining the interval of the nodes using a quantity detector;
A calculation device that calculates the spacing per line using the output of the line number setting switch that sets the total number of lines in the section of the manuscript and the output of the spacing detector; This document table includes a one-line feed device that moves a cursor by one line in accordance with the output.

〔Example〕

Embodiments illustrating the present invention will be specifically described below.

In this document table 10, the table plate 11 is used to hold the document 12.
, and hold it with the magnet 13. Base plate 11
A cursor 14 extends upward and indicates one line of the original 12. A cursor holder 15 supporting the cursor 14 is threadedly engaged with a screw shaft 16 extending vertically on the back surface of the base plate 11, and this screw shaft 16 is connected to a pulse motor 18 via a limit clutch 17. Therefore, the rotation of the pulse motor 18 causes the cursor 14 to rise and fall. A fine adjustment dial 19 is provided at the lower end of the screw shaft 16, and the screw shaft 16 is rotated by sliding the limit clutch 17.
The cursor 14 can be moved. Base plate 1
A control section 21 housing a microcomputer 20 is provided at the bottom of the control section 1, and on its surface there is a rise switch 22 consisting of a push button switch, a fall switch 23, setting switches 24, 25, a line advance switch 26, and a rotary switch. A line number setting switch 27 is provided.

The microcomputer 20 of the control unit 21 includes:
The program realizes the device and mechanism shown in FIG. That is, a pulse generator 28 is provided, and a rise switch 22 and a fall switch 23 are provided.
The pulse is generated by the operation of the pulse motor 1.
8 is rotated forward or backward to move the cursor 14 up or down. The output of this pulse generator 28 is simultaneously transmitted to a movement amount detector 2 consisting of an up/down counter.
9, count the pulses here, and move the cursor 1
A movement amount of 4 can be detected. The movement amount detector 29 is reset by operating the first setting switch 24, and the interval detector 30 consisting of a switch device is activated by operating the other setting switch 25, and the output of the movement amount detector 29 at this time is calculated. The data is transferred to the device 31. That is, when you move the cursor 14 to the top line of a section of the manuscript 12 and operate the setting switch 24, then move the cursor 14 to the bottom line and operate the setting switch 25, the calculation device 31 will tell you the size of the interval between this section. It will be sent. The calculation device 31 divides the size of the interval sent from the interval detector 30 by the total number of lines in this section sent from the line number setting switch, calculates the interval per line, and divides the result into one line. It is sent to the sending device 32. Single line feeder 32
operates the one line feed switch 26 to send a command to the pulse generator 28 to generate a pulse that moves the cursor 14 by one line interval.

Since this manuscript table 10 has the above-described configuration, select a passage of the manuscript 12, set its total number of lines with the line number setting switch 27, move the cursor 14 to the top line and bottom line, and turn the setting switches 24, 25. By operating , the amount of feed per line is set, and thereafter, each time the line feed switch 26 is operated, the cursor 14 is moved by one line.

Note that the setting operation can be done not only by setting the top line of the section first and the bottom line after, but also by setting the bottom line first, or by setting the top line,
It goes without saying that it is also possible to set any of the bottom rows first.

Further, in the above embodiment, each device of the control section,
Although the mechanism is configured by a microcomputer program, it is of course possible to configure it by a logic circuit, and various program configurations can be used, and each device such as a movement amount detector It is sufficient that it exists as a function within the program.

Further, the drive mechanism for the cursor is arbitrary, and the drive source thereof may be a pulse motor, a motor having a pulse generator, or a combination of a cursor position detector and a motor, and the drive may be operated by closed loop control. At this time, as the movement amount detector, in addition to an up-down counter, it is possible to use a device that detects the absolute position of the cursor and calculates the difference in position due to movement.

〔Effect of the invention〕

As is clear from the above, when setting the feed amount for one line in the manuscript table of the present invention, instead of directly setting the line spacing, it selects one passage, sets the interval for the entire passage, and calculates the feed amount for one line. Since the line spacing is calculated, the feed amount per line will be accurate even if there is some error in the cursor position at the time of setting. Therefore, the setting operation can be easily performed, and the cursor instruction will be accurate even if one line is repeatedly moved during use.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a perspective view, FIG. 2 is a perspective view of the main part seen from the back, and FIG. 3 is an explanatory diagram showing the configuration of a control mechanism. 10...Original table, 11...Base plate, 12...Original, 14...Cursor, 18...Pulse motor,
22...Up switch, 23...Down switch,
24, 25...Setting switch, 26...1 line feed switch, 27...Number of lines setting switch, 29...
Movement amount detector, 30... Interval detector, 31... Calculation device, 32... Single line feed device.

Claims (1)

[Claims] 1. A base plate on which the original is placed, and 1 of the originals on this base plate.
A cursor that indicates the line, a motor that raises and lowers the cursor by operating the up/down switch, a movement amount detector that detects the amount of movement of the cursor, and a motor that moves the cursor to the top line of a passage in the manuscript. an interval detector that obtains the interval between the sections using the movement amount detector by operating one setting switch, moving the cursor to the bottom line of the section of the document, and operating another setting switch; a calculation device that calculates the spacing per line using the output of a line number setting switch that sets the total number of lines in the section and the output of the spacing detector; and the output of the calculation device by operating a line advance switch. A document table having a one-line feeder that moves a cursor by one line in response to the request.